Home / 386,222.76-532,986.18-225,173.16

Finding the Fourth Proportional to 386,222.76, 532,986.18 and 225,173.16

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Solution

The fourth proportional to 386,222.76, 532,986.18 and 225,173.16 is: 310,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,222.76 : 532,986.18 = 225,173.16 : x
  2. Step 2: Convert to fraction form
    386,222.76/532,986.18 = 225,173.16/x
  3. Step 3: Cross multiply
    386,222.76x = 532,986.18 × 225,173.16
  4. Step 4: Simplify right side
    386,222.76x = 120,014,182,386.93
  5. Step 5: Solve for x
    x = 120,014,182,386.93/386,222.76
  6. Step 6: Final answer
    x = 310,738.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.